CN214322740U - Automatic tool setting device for numerical control machine tool cutter - Google Patents
Automatic tool setting device for numerical control machine tool cutter Download PDFInfo
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- CN214322740U CN214322740U CN202022951339.3U CN202022951339U CN214322740U CN 214322740 U CN214322740 U CN 214322740U CN 202022951339 U CN202022951339 U CN 202022951339U CN 214322740 U CN214322740 U CN 214322740U
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Abstract
The utility model discloses a digit control machine tool cutter is with automatic tool setting device, concretely relates to digit control machine tool field, including digit control machine tool and drill bit cutter, tool setting base plate has been placed to the top surface of digit control machine tool, and plane tool setting mechanism and axis of ordinates tool setting mechanism are installed to the surface embedding of tool setting base plate, and the electrode ring cover has been cup jointed in the outside activity of axis of ordinates tool setting mechanism, and the tip of plane tool setting mechanism and the mutual butt in the outside of electrode ring cover, plane tool setting mechanism include a plurality of graphite sliders and insulating end row, and graphite slider and insulating end row end to end connection in proper order, axis of ordinates tool setting mechanism include positioning base and tool setting sliding cap, and spacing spout has been seted up to positioning base's inboard. The utility model discloses a set up novel axis of ordinates tool setting structure, utilize the cutter end as electrode one end and carry out the varistor that slides through the motion of supporting pressing axis of ordinates tool setting mechanism, carry out the affirmation of vertical arbor position through the change of resistance, carry out the reference position and confirm, realize accurate tool setting, improve lathe production processingquality.
Description
Technical Field
The utility model relates to a digit control machine tool technical field, more specifically say, the utility model particularly relates to a digit control machine tool is automatic tool setting device for cutter.
Background
However, since the workpiece is actually machined by the tool bit of the tool attached to the tool rest, if the relative positional relationship between the position of the tool rest and the position of the tool bit is not known, the workpiece cannot be machined into an accurate shape, and therefore, after the tool is attached to the tool rest, a tool offset value indicating a deviation between a reference position of the tool rest and the position of the tool bit is measured for each tool attached to the tool rest and registered in the numerical control device to perform tool setting.
The existing machine tool setting device mostly adopts a mode of an inductor to detect the position of a tool, the inductor is accommodated in an accommodating hole, a tool setting shaft is pressed downwards, the inductor is triggered by the tool setting shaft, and displacement information of the tool setting shaft is output through the inductor.
Therefore, it is highly desirable to provide an automatic tool setting device for a tool of a numerical control machine tool.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides an automatic tool setting device is used to digit control machine tool cutter, through setting up novel axis of ordinates tool setting structure, utilize the cutter end as electrode one end and carry out the varistor that slides through the motion of supporting pressing axis of ordinates tool setting mechanism, and utilize the sliding contact of cutter and plane tool setting mechanism, realize the plane translation tool setting of cutter through the motion of direction of reducing to the resistance value to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an automatic tool setting device for a numerical control machine tool cutter comprises a numerical control machine tool and a drill bit cutter, wherein an input end of the numerical control machine tool is electrically connected with a controller, a tool setting base disc positioned below the drill bit cutter is placed on the top surface of the numerical control machine tool, a plane tool setting mechanism and a longitudinal axis tool setting mechanism are installed on the surface of the tool setting base disc in an embedded mode, an electrode ring sleeve is movably sleeved on the outer side of the longitudinal axis tool setting mechanism, the end portion of the plane tool setting mechanism is abutted to the outer side of the electrode ring sleeve, the plane tool setting mechanism comprises a plurality of graphite sliding blocks and an insulating end row, the graphite sliding blocks and the insulating end row are sequentially connected end to end, the longitudinal axis tool setting mechanism comprises a positioning base and a tool setting sliding cap, a limiting sliding chute is formed in the inner side of the positioning base, a static electrode seat is fixedly installed in the inner portion of the limiting chute, and the tool setting sliding cap is slidably sleeved on the outer side of the static electrode seat, resistance metal strips are embedded in the outer side of the static electrode seat, and a conductive carbon brush is fixedly mounted on the inner side of the tool setting sliding cap.
In a preferred embodiment, the number of the plane tool setting mechanisms is a plurality of, the plane tool setting mechanisms are uniformly arranged on the periphery of the electrode ring sleeve in the circumferential direction, the plane tool setting mechanisms are in a long strip structure, a sliding groove is formed in the top surface of the plane tool setting mechanisms, and the top ends of the longitudinal axis tool setting mechanisms and the electrode ring sleeve and the bottom end of the sliding groove are located on the same horizontal plane.
In a preferred embodiment, the graphite sliding blocks are graphite members, connecting slots are formed between adjacent graphite sliding blocks, resistors located between the connecting slots are electrically connected between the adjacent graphite sliding blocks, and the drill bit cutter and the electrode ring sleeve are respectively electrically connected with two stages of input ends of the controller.
In a preferred embodiment, the pair of tool slide caps and the conductive carbon brush are metal members, the conductive carbon brush is electrically connected with the end of the drill bit tool through the pair of tool slide caps, the end of the resistance metal strip is electrically connected with one pole of the input end of the controller, and the controller is internally provided with a resistance measurement module.
In a preferred embodiment, a return spring is arranged on the inner side of the tool setting sliding cap, and two ends of the return spring are respectively abutted against the bottom surface of the inner cavity of the tool setting sliding cap and the top surface of the static electrode seat.
In a preferred embodiment, the conductive carbon brush is a graphite member, the resistance metal strip is a metal tungsten strip structure, and one side of the conductive carbon brush is in sliding contact with the outer side of the resistance metal strip.
In a preferred embodiment, the top surface of the pair of tool slide caps is provided with a groove matched with the bottom end of the drill tool, and a gap is formed between the outer sides of the pair of tool slide caps and the inner side of the electrode ring sleeve.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a set up novel axis of ordinates tool setting structure, utilize the cutter end as electrode one end and carry out the slip varistor through the motion of pressing axis of ordinates tool setting mechanism, carry out the determination of vertical arbor position through the change of resistance, carry out the reference position and confirm, realize accurate tool setting, improve lathe production processingquality;
2. the utility model discloses a set up slip varistor formula tool setting structure, utilize the sliding contact of cutter and plane tool setting mechanism, realize the plane translation tool setting of cutter through the motion that reduces the direction to the resistance value, and carry out the affirmation of vertical arbor position through the change of resistance value, simple structure, the tool setting operation can automize.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the utility model discloses a tool setting base plate top surface structure schematic diagram.
Fig. 3 is a schematic structural diagram of a in fig. 2 according to the present invention.
Fig. 4 is the structural schematic diagram of the plane tool setting mechanism of the utility model.
Fig. 5 is the structure diagram of the tool setting mechanism with longitudinal axis of the utility model.
The reference signs are: 1. a numerical control machine tool; 2. setting a tool base plate; 3. a plane tool setting mechanism; 4. a longitudinal axis tool setting mechanism; 5. an electrode ring sleeve; 6. a conductive carbon brush; 7. a resistive metal strip; 11. a drill bit cutter; 31. a graphite slider; 32. an insulated end row; 33. connecting the slotted holes; 34. a resistance; 41. a positioning base; 42. a limiting chute; 43. a tool setting sliding cap; 44. a static electrode holder.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in the accompanying drawings 1-5, an automatic tool setting device for a numerical control machine tool cutter comprises a numerical control machine 1 and a drill bit cutter 11, wherein an input end of the numerical control machine 1 is electrically connected with a controller, a tool setting base disc 2 positioned below the drill bit cutter 11 is placed on the top surface of the numerical control machine 1, a plane tool setting mechanism 3 and a longitudinal axis tool setting mechanism 4 are embedded in the surface of the tool setting base disc 2, an electrode ring sleeve 5 is movably sleeved on the outer side of the longitudinal axis tool setting mechanism 4, the end part of the plane tool setting mechanism 3 is mutually abutted with the outer side of the electrode ring sleeve 5, the plane tool setting mechanism 3 comprises a plurality of graphite slide blocks 31 and insulating end rows 32, the graphite slide blocks 31 and the insulating end rows 32 are sequentially connected end to end, the longitudinal axis tool setting mechanism 4 comprises a positioning base 41 and a tool setting slide cap 43, a limiting slide groove 42 is formed on the inner side of the positioning base 41, a static electrode seat 44 is fixedly installed inside the limiting slide groove 42, the tool setting sliding cap 43 is sleeved on the outer side of the static electrode seat 44 in a sliding mode, the resistance metal strip 7 is embedded in the outer side of the static electrode seat 44, the conductive carbon brush 6 is fixedly installed on the inner side of the tool setting sliding cap 43, a groove matched with the bottom end of the drill bit tool 11 is formed in the top face of the tool setting sliding cap 43, and a gap is formed between the outer side of the tool setting sliding cap 43 and the inner side of the electrode ring sleeve 5.
The implementation mode is specifically as follows: by arranging the novel longitudinal axis tool setting structure, the tool end is used as one end of an electrode, sliding resistance change is carried out by abutting against the movement of the longitudinal axis tool setting mechanism 4, the position of a longitudinal tool shaft is determined through the change of the resistance, a reference position is determined, accurate tool setting is realized, and the production and processing quality of a machine tool is improved; additionally, the utility model discloses a set up slip varistor formula tool setting structure, utilize the sliding contact of cutter and plane tool setting mechanism 3, realize the plane translation tool setting of cutter through the motion that reduces the direction to the resistance value, and carry out the affirmation of vertical arbor position through the change of resistance value, simple structure, the operation of being convenient for can carry out automatic tool setting operation.
The quantity of the plane tool setting mechanisms 3 is a plurality of, the plane tool setting mechanisms 3 are uniformly arranged on the peripheral side of the electrode ring sleeve 5 in the circumferential direction, the plane tool setting mechanisms 3 are in a long strip structure, the top surfaces of the plane tool setting mechanisms 3 are provided with sliding grooves, the top ends of the longitudinal axis tool setting mechanisms 4 and the electrode ring sleeve 5 and the bottom ends of the sliding grooves are positioned on the same horizontal plane, the graphite sliding blocks 31 are graphite members, connecting slotted holes 33 are formed between the adjacent graphite sliding blocks 31, resistors 34 positioned between the connecting slotted holes 33 are electrically connected between the adjacent graphite sliding blocks 31, the drill bit tool 11 and the electrode ring sleeve 5 are respectively electrically connected with two levels of the input end of the controller, and tool setting in the plane is realized by utilizing sliding contact of the tool and the plane tool setting mechanisms 3 and changing the resistance values.
The tool setting sliding cap 43 and the conductive carbon brush 6 are metal components, the conductive carbon brush 6 is electrically connected with the end part of the drill bit cutter 11 through the tool setting sliding cap 43, the end part of the resistance metal strip 7 is electrically connected with one pole of the input end of the controller, and the resistance measurement module is arranged inside the controller to realize resistance measurement and determine the reference position.
Wherein, the inner side of the tool setting sliding cap 43 is provided with a return spring, and two ends of the return spring are respectively abutted against the bottom surface of the inner cavity of the tool setting sliding cap 43 and the top surface of the static electrode seat 44, so as to realize the automatic reset of the tool setting sliding cap 43.
The conductive carbon brush 6 is a graphite component, the resistance metal strip 7 is a metal tungsten strip structure, one side of the conductive carbon brush 6 is in sliding butt joint with the outer side of the resistance metal strip 7, and different resistance differences are formed by different butt joint states of the conductive carbon brush 6 and the resistance metal strip 7.
Wherein the controller is FXRN-4MR PLC controller.
The utility model discloses the theory of operation:
the first step is as follows: manually adjusting the position of the drill bit cutter 11 to enable the bottom end of the drill bit cutter 11 to be abutted against the top surface of the plane cutter setting mechanism 3 or the longitudinal axis cutter setting mechanism 4;
the second step is that: when the bottom end of the drill bit tool 11 is abutted to the top surface of the plane tool setting mechanism 3, the drill bit tool 11 and the electrode ring sleeve 5 are electrically connected through a plurality of graphite sliders 31 and resistors 34 to generate a passage, a certain resistance value is generated, the resistance value is measured by the controller, and the drill bit tool 11 is controlled to perform translational motion to the set resistance value reduction direction, so that plane motion tool setting is performed, when the bottom end of the drill bit tool 11 is contacted with the electrode ring sleeve 5, the resistance value reaches the minimum value, namely the drill bit tool 11 is controlled by the controller to continue to move along the previous motion direction by a set value which is the radius distance of the tool setting sliding cap 43, namely the drill bit tool 11 is abutted to the top surface of the longitudinal axis tool setting mechanism 4;
the third step: and then the controller controls the drill bit cutter 11 to perform longitudinal movement tool setting, controls the pressing movement of the drill bit cutter 11 to push the tool setting sliding cap 43 to move downwards, so that the conductive carbon brush 6 and the resistance metal strip 7 perform sliding movement, senses the resistance value change of the two ends of the conductive carbon brush 6 and the resistance metal strip 7 at the input end of the controller, and determines the reference position of the longitudinal tool setting of the drill bit cutter 11 when the resistance value reaches the set resistance value of the preset reference position, so as to complete the whole tool setting operation.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an automatic tool setting device is used to digit control machine tool cutter, includes digit control machine tool (1) and drill bit cutter (11), the input electric connection of digit control machine tool (1) has controller, its characterized in that: the tool setting base plate (2) below a drill bit cutter (11) is placed on the top surface of the numerical control machine tool (1), a plane tool setting mechanism (3) and a longitudinal axis tool setting mechanism (4) are installed on the surface of the tool setting base plate (2), an electrode ring sleeve (5) is movably sleeved on the outer side of the longitudinal axis tool setting mechanism (4), the end portion of the plane tool setting mechanism (3) is abutted against the outer side of the electrode ring sleeve (5), the plane tool setting mechanism (3) comprises a plurality of graphite sliding blocks (31) and an insulating end row (32), the graphite sliding blocks (31) and the insulating end row (32) are sequentially connected end to end, the longitudinal axis tool setting mechanism (4) comprises a positioning base (41) and a tool setting sliding cap (43), a limiting sliding groove (42) is formed in the inner side of the positioning base (41), and a static electrode seat (44) is fixedly installed in the limiting sliding groove (42), the tool setting sliding cap (43) is sleeved on the outer side of the static electrode seat (44) in a sliding mode, a resistance metal strip (7) is installed on the outer side of the static electrode seat (44) in an embedded mode, and a conductive carbon brush (6) is fixedly installed on the inner side of the tool setting sliding cap (43).
2. The automatic tool setting device for the numerical control machine tool cutter is characterized in that: the quantity of plane tool setting mechanism (3) is a plurality of, plane tool setting mechanism (3) are the circumferencial direction and evenly arrange in the week side of electrode ring cover (5), plane tool setting mechanism (3) are rectangular form structure, the spout has been seted up to the top surface of plane tool setting mechanism (3), the top of axis of ordinates tool setting mechanism (4) and electrode ring cover (5) is located same horizontal plane with the bottom of spout.
3. The automatic tool setting device for the numerical control machine tool cutter is characterized in that: the graphite sliding blocks (31) are graphite members, connecting slotted holes (33) are formed between the adjacent graphite sliding blocks (31), resistors (34) located between the connecting slotted holes (33) are electrically connected between the adjacent graphite sliding blocks (31), and the drill bit cutter (11) and the electrode ring sleeve (5) are respectively electrically connected with two levels of the input end of the controller.
4. The automatic tool setting device for the numerical control machine tool cutter is characterized in that: the tool setting sliding cap (43) and the conductive carbon brush (6) are metal components, the conductive carbon brush (6) is electrically connected with the end part of the drill bit cutter (11) through the tool setting sliding cap (43), the end part of the resistance metal strip (7) is electrically connected with one pole of the input end of the controller, and a resistance measuring module is arranged inside the controller.
5. The automatic tool setting device for the numerical control machine tool cutter is characterized in that: and a return spring is arranged on the inner side of the tool setting sliding cap (43), and two ends of the return spring are respectively abutted against the bottom surface of the inner cavity of the tool setting sliding cap (43) and the top surface of the static electrode seat (44).
6. The automatic tool setting device for the numerical control machine tool cutter is characterized in that: the conductive carbon brush (6) is a graphite component, the resistance metal strip (7) is of a metal tungsten strip structure, and one side of the conductive carbon brush (6) is in sliding butt joint with the outer side of the resistance metal strip (7).
7. The automatic tool setting device for the numerical control machine tool cutter is characterized in that: the top surface of the tool setting sliding cap (43) is provided with a groove matched with the bottom end of the drill bit cutter (11), and a gap is formed between the outer side of the tool setting sliding cap (43) and the inner side of the electrode ring sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022951339.3U CN214322740U (en) | 2020-12-08 | 2020-12-08 | Automatic tool setting device for numerical control machine tool cutter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022951339.3U CN214322740U (en) | 2020-12-08 | 2020-12-08 | Automatic tool setting device for numerical control machine tool cutter |
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| CN214322740U true CN214322740U (en) | 2021-10-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226894A (en) * | 2022-02-23 | 2022-03-25 | 成都和鸿科技股份有限公司 | Electrode tool setting method for machining turbine blade and electrode connecting piece |
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2020
- 2020-12-08 CN CN202022951339.3U patent/CN214322740U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226894A (en) * | 2022-02-23 | 2022-03-25 | 成都和鸿科技股份有限公司 | Electrode tool setting method for machining turbine blade and electrode connecting piece |
| CN114226894B (en) * | 2022-02-23 | 2022-05-17 | 成都和鸿科技股份有限公司 | Electrode tool setting method for machining turbine blade |
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